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S9404-19 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S9404-19: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN, shoulder_height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, outside_diameter: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, material_thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-025-6458, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
S9404-19
NSN: 5310-01-025-6458
FSC: 5310 — Nuts and Washers
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
hole_diameter0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
shoulder_height0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
outside_diameter0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
material_thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-025-6458
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S9404-19 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHOULDER HEIGHT: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL
•
HOLE DIAMETER: 0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
MATERIAL THICKNESS0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
SHOULDER DIAMETER0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL
HOLE DIAMETER0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
10121997Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S9404-19?
S9404-19 is a WASHER,SHOULDERED.
What parts can replace S9404-19?
There is 1 known substitute for S9404-19: 10121997. Substitute compatibility should be verified for your specific system.
What is the NSN for S9404-19?
S9404-19 is cataloged in the U.S. Government catalog under NSN 5310-01-025-6458. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.